Answers

2015-11-10T23:04:36+05:30
The magnetism produced by electric current on some magnetic mateial is called electromagnetism.
It is useful to human life in various ways:
1.For making the tracks of Maglev(Magnetic Levitation) trains
2.For sorting out Iron, Nickel, Cobalt, & their various alloys from garbage dumps.
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2015-11-13T07:57:05+05:30
The magnetic field produced by an electric field is called electromagnetism ..................this has infinet application......this is used in every component of electronics
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